TATOO (ISSCO Tagger Tool) is a free, trainable text part-of-speech tagger based on hidden Markov models offered by the ISSCO in Geneva. It was developed in the 1990s and is still available for download.

Textable is a an add-on tool developed for the Orange data mining and visualization package. Its functions include the ability to build data tables from textual data, to import data from other sources, and to build concordances and collocations. It also enables users to segment and annotate text, systematically recode data, determine subsets, and compute frequency and complexity measures.